 | John Gummere - Plane trigonometry - 1817 - 392 pages
...- .v - 2)2.77923 f . ,___»_•—«-.——« GI 24.52 - - - 1.33961 GA 15.36 AI 9.16ch. 2. Given the bearings of three adjacent sides of a tract of land and iheijength of the middle one as follow ; 1st. N. 31° 15' W. 2nd. N. 58° 45' E. dist. 13.50 ch. 3rd.... | |
 | John Gummere - Surveying - 1817 - 384 pages
...first side. Ans. 9.76 ch. PROBLEM X. The bearings of three adjacent sides, EA, AB BF, Figs. 9j, 9-1, of a tract of land, and the length of the middle . side AB, being given, to cut off" a trapezoid ABCD containing a given area, by a line DC,parailel to AB.... | |
 | John Gummere - Surveying - 1846 - 448 pages
...sin. C 72 30 9.97942 : : DS 6.37 0.80414 : AD 9.17 0.96230 2. Given the bearings of three adjacenf sides of a tract of land and the length of the middle one as follow : 1st. N. 31° 15' W. ; 2d. N. 58° 45' E. dist. 13.50 ch. ; 3d. S. 14° 45' E.; to cut... | |
 | Samuel Alsop - Surveying - 1865 - 440 pages
...are required. Ans. Division line, 10.72 chains; distance, 5.98 ch. Ex. 3. Given the bearing of three sides of a tract of land, and the length of the middle one, as follow,—viz.: 1. K 15° 30' W.; 2. K 74° 30' E. 11.60 chains ; 3. S. 45° E.: to cut off... | |
 | Gerardus Beekman Docharty - Geometry - 1867 - 474 pages
...9.864127 £ — 32° 24' twice tan. 9.605026 0=21° 15' cosec. 10.440766 AD= 14.01 log. 1.146456 2. Given the bearings of three adjacent sides of a tract of land, and the length of the middle one, as follows, viz. : 1st, N. 31° 15' W. ; 2d, N. 58° 45' E., dist. 13.50 ch. ; 3d, S.'14° 45'... | |
 | Aaron Schuyler - Measurement - 1873 - 508 pages
...+ n) sin .4 si sin G b sin A Ib2 sin2 A 2 ma sin A y ~ sin G * sin2 G (m + m) sin B sin 6 2. Given the bearings of three adjacent sides of a tract of land, and the length of the middle side, to cut off, by a line running a given course, a trapezium of a given area. 9 Let n = ABCD, the area... | |
 | Aaron Schuyler - Measurement - 1864 - 506 pages
...sin G 6 sin A i V1 sin2 A _ 2 ma sin .4 y ~ 7in 67 " V sin2 67 ~ (m + n) sin ~B sin 67 ' 2. Gwm <fo bearings of three adjacent sides of a tract .of land, and the length of the middle side, to cut off, by a 'line running a given course, a trapezium of a given area. Let a = ABCD, the area... | |
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B sin 6 2. Given the bearings of three adjacent sides of a tract of land, and the length of the middle side, to cut off, by a line running a given course, a trapezium of a given area. 